Sierra Cristal National Park () is a national park in Cuba. It is located in the municipalities of Mayaràand Sagua de Tánamo in southern HolguÃÂn Province. It was the first National Park created in Cuba in 1930, and covers an area of .
It is located in the heights of Sierra Cristal (Cristal Mountains), one of the highest mountain range in Cuba (second only to Sierra Maestra). Cristal Peak (Pico Cristal) reaches an elevation of .
The ranges are dominated by pine forests. Cuban pine (Pinus cubensis) can reach heights of in this area. The endangered Cuban solenodon (Solenodon cubanus) can be found in Sierra Cristal.
A research center established in 1988 in Pinares de MayarÃÂ monitors the ecology of the region.